PLUMBI OXYDUM SEMIVITREUM
\plˈʌmba͡ɪ ɒksˈɪdəm sˌɛmɪvɪtɹˈiːəm], \plˈʌmbaɪ ɒksˈɪdəm sˌɛmɪvɪtɹˈiːəm], \p_l_ˈʌ_m_b_aɪ ɒ_k_s_ˈɪ_d_ə_m s_ˌɛ_m_ɪ_v_ɪ_t_ɹ_ˈiː__ə_m]\
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(A yellow protoxyd of lead, prepared by heat, combined with carbonic acid.) It occurs in scales of a whitish-red colour, and semi-vitrified. It is employed for pharmaceutical purposes, as in the Liquor plumbi acetatis, Emplastrum plumbi, &c. Formerly, the Litharge of gold, Chrysi'tis, Mas'sicot, and Litharge of silver, Almariab, were distinguished in commerce. These were merely ordinary litharge resembling gold or silver in colour.
By Robley Dunglison
